Xeon E7-8895 v2 vs E3-1281 v3

Place in the ranking	1267	100
Place by popularity	not in top-100	not in top-100
Market segment	Server	Server
Power efficiency	5.43	21.97
Release date	1 April 2014 (10 years ago)	1 January 2014 (10 years ago)

Detailed specifications

Xeon E3-1281 v3 and Xeon E7-8895 v2 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	15 (Pentadeca-Core)
Threads	8	30
Base clock speed	3.7 GHz	2.8 GHz
Boost clock speed	4.1 GHz	3.6 GHz
Bus rate	5 GT/s	8 GT/s
L3 cache	8 MB Intel® Smart Cache	37.5 MB
Chip lithography	22 nm	22 nm
Maximum core temperature	no data	67 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Xeon E3-1281 v3 and Xeon E7-8895 v2 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1	8
Socket	FCLGA1150	no data
Power consumption (TDP)	82 Watt	155 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1281 v3 and Xeon E7-8895 v2. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX
AES-NI	+	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	-
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
SIPP	+	-
PAE	no data	46 Bit
Fast Memory Access	+	no data

Security technologies

Xeon E3-1281 v3 and Xeon E7-8895 v2 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	-
OS Guard	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1281 v3 and Xeon E7-8895 v2 are enumerated here.

VT-d	+	+
VT-x	+	no data
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1281 v3 and Xeon E7-8895 v2. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L-1333, DDR3L-1600	DDR3-1066, DDR3-1333, DDR3-1600
Maximum memory size	32 GB	1.5 TB
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	85 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1281 v3 and Xeon E7-8895 v2.

PCIe version	3.0	3.0
PCI Express lanes	16	32

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon E3-1281 v3 4.79

Xeon E7-8895 v2 36.67
+666%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Xeon E3-1281 v3 7463

Xeon E7-8895 v2 57165
+666%